Scabies is a skin disease that is most common in Indonesia, especially in dense environments such as boarding occupants. This research aims to study the relationship of scabies with personal hygienic practices (PHB) in the male students in the boarding school X in East Jakarta. This cross sectional study was conducted on March 8, 2014, and all students are the subjects of study (total sampling). Diagnosis of scabies was done with history taking and dermatological examination. PHB data was taken with a questionnaire containing 10 questions regarding the personal hygienic practices. The question was given a score of 0 to 1 for bad behavior and good behavior. Data were analyzed by chi square test. The results showed the prevalence of scabies was 36%, with 3.4% of good personal hygienic practices and 32.8% had poor personal hygienic practices. There are associated with scabies.Keywords: scabies, personal hygiene, prevalence, pesantren.